LoongArch: Add testsuit for DESC and tls transition and tls relaxation.

13 files changed, 258 insertions, 0 deletions

diff --git a/ld/testsuite/ld-loongarch-elf/desc-ie.d b/ld/testsuite/ld-loongarch-elf/desc-ie.d
new file mode 100644
index 0000000..d1acbfc
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-ie.d
@@ -0,0 +1,16 @@
+#as:
+#ld: -shared -z norelro -e 0x0
+#objdump: -dr
+#skip: loongarch32-*-*
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+230 <fn1>:
+ 230:	1a000084 	pcalau12i   	\$a0, 4
+ 234:	28cd6084 	ld.d        	\$a0, \$a0, 856
+ 238:	03400000 	nop.*
+ 23c:	03400000 	nop.*
+ 240:	1a000084 	pcalau12i   	\$a0, 4
+ 244:	28cd6081 	ld.d        	\$ra, \$a0, 856
diff --git a/ld/testsuite/ld-loongarch-elf/desc-ie.s b/ld/testsuite/ld-loongarch-elf/desc-ie.s
new file mode 100644
index 0000000..7f5772b
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-ie.s
@@ -0,0 +1,18 @@
+	.global v1
+	.section .tdata,"awT",@progbits
+v1:
+	.word 1
+	.text
+	.global	fn1
+	.type	fn1,@function
+fn1:
+
+	# Use DESC and IE to access the same symbol,
+	# DESC will relax to IE.
+	pcalau12i       $a0,%desc_pc_hi20(var)
+	addi.d  $a0,$a0,%desc_pc_lo12(var)
+	ld.d    $ra,$a0,%desc_ld(var)
+	jirl    $ra,$ra,%desc_call(var)
+
+	pcalau12i       $a0,%ie_pc_hi20(var)
+	ld.d		$ra,$a0,%ie_pc_lo12(var)
diff --git a/ld/testsuite/ld-loongarch-elf/desc-le.d b/ld/testsuite/ld-loongarch-elf/desc-le.d
new file mode 100644
index 0000000..b4ca9f8
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-le.d
@@ -0,0 +1,15 @@
+#as:
+#ld: -z norelro -e 0x0
+#objdump: -dr
+#skip: loongarch32-*-*
+
+.*:     file format .*
+
+
+Disassembly of section .text:
+
+0+1200000e8 <fn1>:
+   1200000e8:	14000004 	lu12i.w     	\$a0, 0
+   1200000ec:	03800084 	ori         	\$a0, \$a0, 0x0
+   1200000f0:	03400000 	nop.*
+   1200000f4:	03400000 	nop.*
diff --git a/ld/testsuite/ld-loongarch-elf/desc-le.s b/ld/testsuite/ld-loongarch-elf/desc-le.s
new file mode 100644
index 0000000..9ffaa2d
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-le.s
@@ -0,0 +1,14 @@
+	.global var
+	.section .tdata,"awT",@progbits
+var:
+	.word 1
+	.text
+	.global	fn1
+	.type	fn1,@function
+fn1:
+
+	# DESC will relax to LE.
+	pcalau12i       $a0,%desc_pc_hi20(var)
+	addi.d  $a0,$a0,%desc_pc_lo12(var)
+	ld.d    $ra,$a0,%desc_ld(var)
+	jirl    $ra,$ra,%desc_call(var)
diff --git a/ld/testsuite/ld-loongarch-elf/desc-norelax.d b/ld/testsuite/ld-loongarch-elf/desc-norelax.d
new file mode 100644
index 0000000..32ce3e5
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-norelax.d
@@ -0,0 +1,16 @@
+#as:
+#ld: -z norelro -shared --section-start=.got=0x1ff000
+#objdump: -dr
+#skip: loongarch32-*-*
+
+.*:     file format .*
+
+
+Disassembly of section .text:
+
+0+1c0 <.*>:
+ 1c0:	1a003fe4 	pcalau12i   	\$a0, 511
+ 1c4:	02c02084 	addi.d      	\$a0, \$a0, 8
+ 1c8:	28c00081 	ld.d        	\$ra, \$a0, 0
+ 1cc:	4c000021 	jirl        	\$ra, \$ra, 0
+ 1d0:	0010888c 	add.d       	\$t0, \$a0, \$tp
diff --git a/ld/testsuite/ld-loongarch-elf/desc-norelax.s b/ld/testsuite/ld-loongarch-elf/desc-norelax.s
new file mode 100644
index 0000000..9aa7f55
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-norelax.s
@@ -0,0 +1,5 @@
+.L1:
+# The got address of the symbol exceeds the
+# range of pcaddi, do not relax.
+la.tls.desc $a0,var
+add.d $t0,$a0,$tp
diff --git a/ld/testsuite/ld-loongarch-elf/desc-relax.d b/ld/testsuite/ld-loongarch-elf/desc-relax.d
new file mode 100644
index 0000000..ce53d31
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-relax.d
@@ -0,0 +1,15 @@
+#as:
+#ld: -z norelro -shared
+#objdump: -dr
+#skip: loongarch32-*-*
+
+.*:     file format .*
+
+
+Disassembly of section .text:
+
+0+188 <.*>:
+ 188:	18020844 	pcaddi      	\$a0, 4162
+ 18c:	28c00081 	ld.d        	\$ra, \$a0, 0
+ 190:	4c000021 	jirl        	\$ra, \$ra, 0
+ 194:	0010888c 	add.d       	\$t0, \$a0, \$tp
diff --git a/ld/testsuite/ld-loongarch-elf/desc-relax.s b/ld/testsuite/ld-loongarch-elf/desc-relax.s
new file mode 100644
index 0000000..4a993a5
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/desc-relax.s
@@ -0,0 +1,5 @@
+.L1:
+# A UND symbol but no more than the range of pcaddi,
+# do pcalau12i + addi => pcaddi
+la.tls.desc $a0,var
+add.d $t0,$a0,$tp
diff --git a/ld/testsuite/ld-loongarch-elf/ie-le.d b/ld/testsuite/ld-loongarch-elf/ie-le.d
new file mode 100644
index 0000000..42694d7
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/ie-le.d
@@ -0,0 +1,13 @@
+#as:
+#ld: -z norelro -e 0x0
+#objdump: -dr
+#skip: loongarch32-*-*
+
+.*:     file format .*
+
+
+Disassembly of section .text:
+
+0+1200000e8 <fn1>:
+   1200000e8:	14000004 	lu12i.w     	\$a0, 0
+   1200000ec:	03800084 	ori         	\$a0, \$a0, 0x0
diff --git a/ld/testsuite/ld-loongarch-elf/ie-le.s b/ld/testsuite/ld-loongarch-elf/ie-le.s
new file mode 100644
index 0000000..795c7ce
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/ie-le.s
@@ -0,0 +1,11 @@
+	.data
+	.section	.tdata,"awT",@progbits
+var:
+	.word 1
+	.text
+	.global	fn1
+	.type	gn1,@function
+fn1:
+	# expect IE to relax LE.
+	pcalau12i       $a0,%ie_pc_hi20(var)
+	ld.d    	$a0,$a0,%ie_pc_lo12(var)
diff --git a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
index b43a518..2a5709a 100644
--- a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
+++ b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
@@ -69,3 +69,12 @@ if [istarget "loongarch64-*-*"] {
 	  ] \
       ]
 }
+
+if [istarget "loongarch64-*-*"] {
+    run_dump_test "desc-ie"
+    run_dump_test "desc-le"
+    run_dump_test "ie-le"
+    run_dump_test "tlsdesc-dso"
+    run_dump_test "desc-norelax"
+    run_dump_test "desc-relax"
+}
diff --git a/ld/testsuite/ld-loongarch-elf/tlsdesc-dso.d b/ld/testsuite/ld-loongarch-elf/tlsdesc-dso.d
new file mode 100644
index 0000000..667ad74
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/tlsdesc-dso.d
@@ -0,0 +1,56 @@
+#as:
+#ld: -shared -z norelro
+#objdump: -dr
+#skip: loongarch32-*-*
+
+.*:     file format .*
+
+
+Disassembly of section .text:
+
+0+418 <fun_gl1>:
+ 418:	180214c4 	pcaddi      	\$a0, 4262
+ 41c:	1a000084 	pcalau12i   	\$a0, 4
+ 420:	28db0084 	ld.d        	\$a0, \$a0, 1728
+ 424:	180212a4 	pcaddi      	\$a0, 4245
+ 428:	18021304 	pcaddi      	\$a0, 4248
+ 42c:	28c00081 	ld.d        	\$ra, \$a0, 0
+ 430:	4c000021 	jirl        	\$ra, \$ra, 0
+ 434:	1a000084 	pcalau12i   	\$a0, 4
+ 438:	28d9c084 	ld.d        	\$a0, \$a0, 1648
+ 43c:	03400000 	nop.*
+ 440:	03400000 	nop.*
+ 444:	1a000084 	pcalau12i   	\$a0, 4
+ 448:	28d9c084 	ld.d        	\$a0, \$a0, 1648
+ 44c:	18021264 	pcaddi      	\$a0, 4243
+ 450:	18021244 	pcaddi      	\$a0, 4242
+ 454:	28c00081 	ld.d        	\$ra, \$a0, 0
+ 458:	4c000021 	jirl        	\$ra, \$ra, 0
+ 45c:	1a000084 	pcalau12i   	\$a0, 4
+ 460:	28daa084 	ld.d        	\$a0, \$a0, 1704
+
+0+464 <fun_lo>:
+ 464:	1a000084 	pcalau12i   	\$a0, 4
+ 468:	28d86084 	ld.d        	\$a0, \$a0, 1560
+ 46c:	18020ce4 	pcaddi      	\$a0, 4199
+ 470:	18020e04 	pcaddi      	\$a0, 4208
+ 474:	28c00081 	ld.d        	\$ra, \$a0, 0
+ 478:	4c000021 	jirl        	\$ra, \$ra, 0
+ 47c:	18020d24 	pcaddi      	\$a0, 4201
+ 480:	1a000084 	pcalau12i   	\$a0, 4
+ 484:	28d90084 	ld.d        	\$a0, \$a0, 1600
+ 488:	03400000 	nop.*
+ 48c:	03400000 	nop.*
+ 490:	1a000084 	pcalau12i   	\$a0, 4
+ 494:	28d90084 	ld.d        	\$a0, \$a0, 1600
+ 498:	18020d84 	pcaddi      	\$a0, 4204
+ 49c:	28c00081 	ld.d        	\$ra, \$a0, 0
+ 4a0:	4c000021 	jirl        	\$ra, \$ra, 0
+ 4a4:	18020d24 	pcaddi      	\$a0, 4201
+ 4a8:	1a000084 	pcalau12i   	\$a0, 4
+ 4ac:	28d96084 	ld.d        	\$a0, \$a0, 1624
+
+0+4b0 <fun_external>:
+ 4b0:	18020d84 	pcaddi      	\$a0, 4204
+ 4b4:	28c00081 	ld.d        	\$ra, \$a0, 0
+ 4b8:	4c000021 	jirl        	\$ra, \$ra, 0
diff --git a/ld/testsuite/ld-loongarch-elf/tlsdesc-dso.s b/ld/testsuite/ld-loongarch-elf/tlsdesc-dso.s
new file mode 100644
index 0000000..936bbce
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/tlsdesc-dso.s
@@ -0,0 +1,65 @@
+	.data
+	.section	.tdata,"awT",@progbits
+	.global gl1, gl2, gl3, gl4
+gl1:	.dword 1
+gl2:	.dword 2
+gl3:	.dword 3
+gl4:	.dword 4
+lo1:	.dword 10
+lo2:	.dword 20
+lo3:	.dword 30
+lo4:	.dword 40
+	.text
+# Access global symbol
+fun_gl1:
+	# GD + IE
+	# GD: pcaddi + addi.d => pcaddi
+	la.tls.gd	$a0, gl1
+	la.tls.ie	$a0, gl1
+
+	# GD + DESC
+	# GD: pcaddi + addi.d => pcaddi
+	la.tls.gd	$a0, gl2
+	# DESC: pcaddi + addi.d => pcaddi
+	la.tls.desc	$a0, gl2
+
+	# DESC + IE
+	# DESC -> IE
+	la.tls.desc	$a0, gl3
+	la.tls.ie	$a0, gl3
+
+	# GD + DESC + IE
+	# GD: pcaddi + addi.d => pcaddi
+	la.tls.gd	$a0, gl4
+	# DESC: pcaddi + addi.d => pcaddi
+	la.tls.desc	$a0, gl4
+	la.tls.ie	$a0, gl4
+
+# Access local symbol
+fun_lo:
+	# IE + GD
+	la.tls.ie	$a0, lo1
+	# GD: pcaddi + addi.d => pcaddi
+	la.tls.gd	$a0, lo1
+
+	# DESC + GD
+	# DESC: pcaddi + addi.d => pcaddi
+	la.tls.desc	$a0, lo2
+	# GD: pcaddi + addi.d => pcaddi
+	la.tls.gd	$a0, lo2
+
+	# DESC + IE
+	# DESC: DESC -> IE
+	la.tls.desc	$a0, lo3
+	la.tls.ie	$a0, lo3
+
+	# DESC + GD + IE
+	# DESC: pcaddi + addi.d => pcaddi
+	la.tls.desc	$a0, lo4
+	# GD: pcaddi + addi.d => pcaddi
+	la.tls.gd	$a0, lo4
+	la.tls.ie	$a0, lo4
+
+# Access external undef symbol
+fun_external:
+	la.tls.desc	$a0, sH1